结晶器密封绳在炼钢开浇前使用。

Crystallizer sealing rope is used before casting process.

youdao

没有使用完的密封绳，仍放回纸箱的塑料袋中扎紧密封。

The unused ropes must be back into the carton and sealed in plastic bags.

youdao

密封绳在开浇后与引锭头、铜板无粘结残留物，对铜板无损伤，易于清理。

After sealed by sealing rope, it is essentially solid-free with residue between dummy bar head and mould copper plate, no damage to the copper plate and easy to clean.

youdao